How to change rear suspension lower control arm on BMW X3 E83 – replacement guide
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The steps may slightly vary depending on the car design.
How to change rear suspension arm on BMW X3 E83 [TUTORIAL AUTODOC]
Suspension arm
- The replacement procedure is identical for the left and right lower control arms.
- All work should be done with the engine stopped.
- Step 1
Secure the wheels with chocks.
Step 2
Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 3
Raise the rear of the car and secure on supports.
- Step 4
Unscrew the wheel bolts.
AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. BMW X3 E83
- Step 5
Remove the wheel.
- Step 6
Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
- Step 7
Make a mark on the camber adjustment bolt.
- Step 8
Unscrew the fastener connecting the control arm to the rear knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
- Step 9
Clean all joints of the arm. Use a wire brush.
- Step 10
Remove the fastening bolt. Use a drive socket #18. Use a crowbar.
- Step 11
Unscrew the fastener connecting the control arm to the subframe. Use a drive socket #18. Use a crowbar.
- Step 12
Support the rear knuckle. Use a hydraulic transmission jack.
- Step 13
Remove the fastening bolts. Use a pin punch. Use a hammer. Use a crowbar. Use a combination spanner #18.
- Step 14
Remove the arm.
- Step 15
Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
- Step 16
Install a new arm.
AUTODOC recommends:Replacement: rear suspension lower control arm – BMW X3 E83. Use only new bolts and nuts for installation.Do not damage the ball joint cover.
- Step 17
Install the control arm fasteners. Use a combination spanner #18. Use a crowbar.
- Step 18
Adjust the position of the alignment bolt according to the mark.
Find out which tyre and wheel sizes are compatible with the BMW X3 (E83) model
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